elisa and larry were at a horse show in los angeles, she said, and sarah flew down to meet them or, rather, to meet elisa since larry didn't like sarah, said elisa. >> and what did you decide to do with him? >> we said, if we kill him, nobody's going to miss him. >> were you going to do it like that day or some other time in the future? when were you guys planning on doing it? >> right then. >> right then and there. >> yeah. >> that was september 9, 2001. according to elisa, larry had already passed out, after drinking some horse tranquilizer on his own for fun. so sarah decided, according to elisa, to just give him more and no one would ever find out. >> oh, god, it seemed like a good idea at the time. but, oh, my god, it's so horrible to think of taking somebody's life. >> while larry slept, said elisa, she and sarah squirted drops of horse tranquilizer into his mouth. but larry didn't die. instead, the next day, on september 10th, larry got up, showed his horse, and then went right back to bed. >> next morning he's, like, lying there, and i thought he was dead. so i wake sarah up and i